$mesg = $ldap->search(base => "o=UMMC", filter => $filter,
                          attrs => ["dn"]);
...

$entry = $mesg->shift_entry;
$mesg = $ldap->bind($entry->dn, password => "$passWord");

...
#The following is meant to convert the group name passed
#in to cn form, because only "group01" would be passed
$groupCmp = $entry->dn;
$groupCmp =~ s/(cn=)(.*?)(,.*)/$1$group$3/;
$mesg = $ldap->compare($entry->dn, attr =>        "groupMembership",value => "$groupCmp");